You shall not uncover the nakedness of your father's sister; she is near of kin to your father.
Leviticus 18:12
Surrounding context
18:11 The nakedness of your father's wife's daughter, begotten by your father--she is your sister--you shall not uncover her nakedness.
18:12 You shall not uncover the nakedness of your father's sister; she is near of kin to your father.
18:13 You shall not uncover the nakedness of your mother's sister, for she is near of kin to your mother.